package com.hzy.admin.models.vo.system;import java.util.ArrayList;import java.util.List;import java.util.Map;import lombok.Data;@Datapublic class SysRoleMenuFunctionTreeVo {    public SysRoleMenuFunctionTreeVo() {        this.expandedRowKeys = new ArrayList<>();        this.list = new ArrayList<>();    }    private List<String> expandedRowKeys;    private List<Map<String, Object>> list;}